Parent Company Financial Statements (Statements of Cash Flows) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Activities
Net Income	$ 61,439	$ 69,014	$ 59,486
(Increase) decrease in other assets	(4,063)	3,306	(9,151)
Net cash provided by operating activities	105,183	142,716	18,230
Investing Activities
Net cash used in investing activities	(487,722)	(649,093)	(294,452)
Financing Activities
Common stock repurchases	(10,240)	(10,090)	(9,689)
Repayment of subordinated debt	0	(15,000)	0
Cash dividends paid on common stock	(23,512)	(21,081)	(19,842)
Net cash provided by financing activities	237,341	581,228	346,360
Net (decrease) increase in cash, cash equivalents and restricted cash	(145,198)	74,851	70,138
Cash, cash equivalents and restricted cash at beginning of year	220,625	145,774	75,636
Cash, cash equivalents and restricted cash at end of year	75,427	220,625	145,774
Parent Company [Member]
Operating Activities
Net Income	61,439	69,014	59,486
Equity in undistributed income of subsidiaries	(32,129)	(29,869)	(23,299)
(Increase) decrease in other assets	9,219	4,244	(5,228)
(Decrease) increase in due to subsidiaries	(187)	202	71
(Decrease) increase in other liabilities	(1,051)	(558)	(83)
Net cash provided by operating activities	37,291	43,033	30,947
Investing Activities
Proceeds from Sale of Available-for-sale Securities, Equity	0	0	1,712
Net cash used in investing activities	0	0	1,712
Financing Activities
Net proceeds from issuance of common stock	2,198	2,118	1,670
Common stock repurchases	(10,240)	(10,090)	(9,689)
Repayment of subordinated debt	0	(15,000)	0
Cash dividends paid on common stock	(23,512)	(21,081)	(19,842)
Net cash provided by financing activities	(31,554)	(44,053)	(27,861)
Net (decrease) increase in cash, cash equivalents and restricted cash	5,737	(1,020)	4,798
Cash, cash equivalents and restricted cash at beginning of year	34,339	35,359	30,561
Cash, cash equivalents and restricted cash at end of year	$ 40,076	$ 34,339	$ 35,359